3 years ago

A racecar on a straight track, starting from rest*, steps on the

Physics

1 answer:

kirill115 [55]3 years ago

6 0

I think the answer is C

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4 years ago

A 5kg wheel rolls off a flat roof of a 50 m tall building at 12m/s.

Olegator [25]

Explanation:

a) Given in the y direction (taking down to be positive):

Δy = 50 m

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Δy = v₀ t + ½ at²

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b) Given in the x direction:

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a = 0 m/s²

t = 3.2 s

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3 years ago

Multiply the following numbers, using scientific notation and the correct amount of significant digits. 1.003 m⋅3.09 = _____ 3.0

lozanna [386]

Answer

correct answer is 3.10

Explanation:

in this question we have to multiply two numbers 1.003 and 3.09.

1.003 has 4 significant digits and 3.09 has 3 significant digits so answer must have 3 significant digits.

$1.003\times 3.09=3.09927$

$1.003\times 3.09=3.10$

Hope it will help you

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3 years ago

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A wave on a string is described by Y(x, t) : 15.0 sin( nclS - 4rrt),, where x and y are in centimeters and / is in seconds. (a)

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